package com.ruoyi.framework.mybatisplus;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import com.ruoyi.common.utils.SecurityUtils;
import org.apache.ibatis.reflection.MetaObject;

import java.util.Date;

/**
 * MP注入处理器
 *
 * @author Lion Li
 * @date 2021/4/25
 */
public class CreateAndUpdateMetaObjectHandler implements MetaObjectHandler {

    @Override
    public void insertFill(MetaObject metaObject) {
        //根据属性名字设置要填充的值
        if (metaObject.hasGetter("createTime")) {
            if (metaObject.getValue("createTime") == null) {
                this.setFieldValByName("createTime", new Date(), metaObject);
            }
        }
        //因为App进行操作获取不到相关用户信息
        try{
            if (metaObject.hasGetter("createBy")) {
                if (metaObject.getValue("createBy") == null) {
                    this.setFieldValByName("createBy", SecurityUtils.getUsername(), metaObject);
                }
            }
            if (metaObject.hasGetter("createById")) {
                if (metaObject.getValue("createById") == null) {
                    this.setFieldValByName("createById", SecurityUtils.getLoginUser().getUser().getUserId(), metaObject);
                }
            }
        }catch (Exception e){
            e.printStackTrace();
        }
    }

    @Override
    public void updateFill(MetaObject metaObject) {
        if (metaObject.hasGetter("updateTime")) {
            if (metaObject.getValue("updateTime") == null) {
                this.setFieldValByName("updateTime", new Date(), metaObject);
            }
        }
        try{
            if (metaObject.hasGetter("updateBy")) {
                if (metaObject.getValue("updateBy") == null) {
                    this.setFieldValByName("updateBy", SecurityUtils.getUsername(), metaObject);
                }
            }
            if (metaObject.hasGetter("updateById")) {
                if (metaObject.getValue("updateById") == null) {
                    this.setFieldValByName("updateById", SecurityUtils.getLoginUser().getUser().getUserId(), metaObject);
                }
            }
        }catch (Exception e){
            e.printStackTrace();
        }
    }

}
